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33 lines
1.2 KiB
Diff
33 lines
1.2 KiB
Diff
From 579e796cb089324c55e0e689a180575ba81b23d9 Mon Sep 17 00:00:00 2001
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From: Anand Kumar <anandkumar@codeaurora.org>
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Date: Tue, 21 Jun 2016 17:36:05 +0530
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Subject: wcnss: Avoid user buffer overloading for write cal data
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compare size of allocated cal data buffer from heap
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and count bytes provided to write by user to avoid
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heap overflow for write cal data.
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Change-Id: Id70c3230f761385489e5e94c613f4519239dfb1f
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CRs-Fixed: 1032174
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Signed-off-by: Anand Kumar <anandkumar@codeaurora.org>
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---
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drivers/net/wireless/wcnss/wcnss_wlan.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/drivers/net/wireless/wcnss/wcnss_wlan.c b/drivers/net/wireless/wcnss/wcnss_wlan.c
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index 86f3a48..3f9eeab 100644
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--- a/drivers/net/wireless/wcnss/wcnss_wlan.c
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+++ b/drivers/net/wireless/wcnss/wcnss_wlan.c
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@@ -3339,7 +3339,7 @@ static ssize_t wcnss_wlan_write(struct file *fp, const char __user
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return -EFAULT;
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if ((UINT32_MAX - count < penv->user_cal_rcvd) ||
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- MAX_CALIBRATED_DATA_SIZE < count + penv->user_cal_rcvd) {
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+ (penv->user_cal_exp_size < count + penv->user_cal_rcvd)) {
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pr_err(DEVICE " invalid size to write %zu\n", count +
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penv->user_cal_rcvd);
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rc = -ENOMEM;
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--
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cgit v1.1
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